Definition: The term "postcubital" refers to a condition in which the muscles of the upper arm are unable to properly support the weight of the hand and forearm, leading to discomfort or pain. This can occur due to a variety of factors such as repetitive strain injuries (RSIs), poor posture, or conditions like neuromuscular disorders that affect the muscles involved. In some cases, postcubital pain may be caused by a misalignment between the elbow and hand, which can lead